One can't be angry when one looks at a penguin.

All the other passions do occasional good, but whenever pride puts in its word, everything goes wrong, and what it might really be desirable to do, quietly and innocently, it is mortally dangerous to do, proudly.

There is large difference between indolent impatience of labor and intellectual impatience of delay, large difference between leaving things unfinished because we have more to do or because we are satisfied with what we have done.

Cheerfulness is as natural to the heart of a man in strong health as color to his cheek; and wherever there is habitual gloom there must be either bad air, unwholesome food, improperly severe labor, or erring habits of life.

You may either win your peace or buy it: win it, by resistance to evil; buy it, by compromise with evil.

In health of mind and body, men should see with their own eyes, hear and speak without trumpets, walk on their feet, not on wheels, and work and war with their arms, not with engine-beams, nor rifles warranted to kill twenty men at a shot before you can see them.

Blue color is everlastingly appointed by the deity to be a source of delight.